Many physiological changes in the body are associated with fear, summarized as the fight-or-flight response.

fear, dread, fright, alarm, panic, terror, trepidation mean painful agitation in the presence or anticipation of danger. fear is the most general term and implies anxiety and usually loss of …

Oct 26, 2025 · Fear is a primal emotion that provokes a physiological and emotional response. Learn the signs of fear, what causes it, and how to manage it.

Fear is a vital response to physical and emotional danger that has been pivotal throughout human evolution, but especially in ancient times when men and women regularly faced life-or-death...

FEAR definition: 1. an unpleasant emotion or thought that you have when you are frightened or worried by something…. Learn more.

Jul 20, 2023 · Fear is a basic, emotional response to a perceived threat or danger. It triggers the body's 'fight-or-flight' response, leading to physiological changes like increased heart rate and …

Dec 20, 2025 · fear (countable and uncountable, plural fears) (uncountable) A strong, unpleasant emotion or feeling caused by actual or perceived danger or threat.

Mar 7, 2025 · Fear is a natural emotion essential for survival and can impact mental health. About 20% of adults in the U.S. experience fear or anxiety that disrupts daily life.

Dec 5, 2025 · Fear is a common, natural emotion that helps keep us safe, but having too much can make it hard to function. Find out how to recognize and manage your fears.

What is the feeling of fear, and why do people experience it? Learn about the signs, functions, and causes of fear as well as the facial expression.